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  1. I always thought walking sticks (insects) were beneficial, but in our yard walking sticks are eating all the leaves off our sumac bushes and trees. What should we do? Published: March 12, 2009
  2. I noticed some very long, thin worms in a puddle on the sidewalk. They are about as thin as a needle and range from 3 to 7 inches in length. What are they and how do I get rid of them? Published: March 03, 2009
  3. My tomato fruits have small yellow specks on the surface. When the fruits are peeled, those specks form a tough spot that must be cut off before eating the tomatoes. What's wrong? Published: November 03, 2008
  4. Our tomatoes are the best we have ever had; however, there are small holes near the stem end. When we cut a tomato open, there is a small worm inside. What is it? Published: November 03, 2008
  5. Small spider-like insects with long legs congregate on the trunks of my trees and sometimes form long lines of one insect following another - what are they? Published: September 15, 2008
  6. The leaves on my gardenia have a black covering on them; what is this and will it harm my plant? Published: September 15, 2008
  7. Once borers are in my dogwoods, is there anything that can be done? Published: September 15, 2008
  8. Many of my pecans have a small hole in the shell and there is no nutmeat - what caused this? Published: September 14, 2008
  9. How can I control vine borer on squash, watermelon, and other vine crops? Published: September 05, 2008
  10. What can I do to control mites? Published: September 05, 2008
  11. What can I do about the Sawyer Beetles in my white pines, which were planted in 1971 and are 30 to 50 feet tall? We planted them for privacy. A tornado two years ago took down 27 trees and the trunks are still here. Should we totally get rid of the trunks immediately? Published: May 16, 2008
  12. Is it typical of monarch caterpillars to feed on milkweed leaves during corn pollen shed? Published: May 15, 2008
  13. I've heard that you're not supposed to compost apples that drop because of codling moths. Apparently, the larvae overwinter in the compost and invade the tree the next year. Normally I put all fallen apples in the garbage. If I spray next year, will the problem be solved no matter how many moths are around? Published: May 15, 2008
  14. When is the best time to remove trees newly infested with pine beetle? I live in Colorado. Published: April 22, 2008
  15. I am growing a eureka lemon (4 feet high) that has flowers and fruit. Most of the leaves are discolored and are a light green/yellow with some of the edges brown. Also, there are small ants going up and down the tree. I have noticed some scale on the plant. What do I need to do to correct this problem? Published: April 22, 2008
  16. I have a maple tree missing a limb. The crotch of the tree is taking in and holding water. Will this harm the tree? Is there anything I can do? I have noticed ants around the base of the tree, along with sawdust. Published: April 22, 2008
  17. Why would large, yellow ladybugs be eating the leaves of pole and bush beans. Aren't they supposed to be beneficial rather than destructive to plants? Published: April 22, 2008
  18. I live in Colorado. Can I use a systemic insecticide to prevent an infestation of aphids on my aspen trees? Published: April 22, 2008
  19. What are these galls on my oak tree, and how do I get rid of them? Published: April 09, 2008
  20. How do I control bagworms on my landscape plants? Published: April 09, 2008
  21. Is it worthwhile to buy beneficial insects for my landscape? Published: April 09, 2008
  22. Eggs or insect excrement? There's a substance similar to coffee grounds on my lettuce. What is it and what should I do? Published: April 03, 2008
  23. What can I use on my fruit trees for insect control? Published: April 01, 2008
  24. What are the small red insects on my tomato plants? Published: April 01, 2008
  25. Is there anything we can do to encourage fireflies to come to our yard? Can we plant a firefly garden like we plant butterfly or hummingbird gardens? Published: April 01, 2008
  26. I have several kinds of ants crawling over my sweet corn plants. Will they eat the sweet corn? What can I do to get rid of them? Published: March 04, 2008
  27. How and when do you treat for a sawfly infestation in Black Hills spruce trees? I am in Minnesota. Published: March 03, 2008
  28. I have tried all manner of pesticides, yet I can't stop the potato aphids that are coating my potatoes. Any suggestions? I live in Minnesota. Published: March 02, 2008
  29. What would make a rosebud deformed and/or not open to full bloom? Also, why do some of my cone flowers have only a few petals open? Published: February 28, 2008
  30. I know that there are bees, other than honeybees, that are pollinators and make their nests in holes in stumps and other dead wood. If I want to encourage these bees to establish nests, what diameter and depth should I make the holes? Published: February 22, 2008

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